SURFACE POSITION LOCATION SYSTEM AND METHOD - Patent 0879456

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EP 0 879 456 A1

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(43)	Date of publication:
	25.11.1998 Bulletin 1998/48

(21)	Application number: 97907559.0

(22)	Date of filing: 11.02.1997

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International Patent Classification (IPC):

G01B 7/ 00^{( . )}
G06F 3/ 041^{( . )}
G06F 3/ 048^{( . )}

G06F 3/ 033^{( . )}
G06F 3/ 045^{( . )}
G08C 21/ 00^{( . )}

(86)	International application number:
	PCT/US1997/001717

(87)	International publication number:
	WO 1997/030429 (21.08.1997 Gazette 1997/36)

(84)	Designated Contracting States:
	DE ES FR GB GR IT NL PT

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Priority:

15.02.1996 US 19960601719

(71)	Applicant: Explore Technologies Inc.
	Santa Clara, CA 95054 (US)

(72)	Inventors:
	CONROY, David San Jose, CA 95117 (US) FLOWERS, Mark Sunnyvale, CA 94087 (US)

(74)	Representative: Neobard, William John, et al
	Page White & Farrer 54 Doughty Street London WC1N 2LS London WC1N 2LS (GB)

(54)	SURFACE POSITION LOCATION SYSTEM AND METHOD